easyxml.hpp

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#ifndef __EASYXML_HPP
#define __EASYXML_HPP

#ifdef _MSC_VER
  #pragma warning(disable: 4100)    // Avoid picky compiler warning about unused params
#endif

#include "exception.hpp"

#include <iostream>
#include <string>
#include <vector>
#include "zlib.h"

using namespace std;

class XMLAttributes
{
public:
  XMLAttributes ();

  virtual ~ XMLAttributes ();

  virtual int size () const = 0;

  virtual const char * getName (int i) const = 0;

  virtual const char * getValue (int i) const = 0;

  virtual int findAttribute (const char * name) const;

  virtual bool hasAttribute (const char * name) const;

  virtual const char * getValue (const char * name) const;
};


class XMLAttributesDefault : public XMLAttributes
{
public:
  XMLAttributesDefault ();

  XMLAttributesDefault (const XMLAttributes & atts);


  virtual ~XMLAttributesDefault ();


  virtual int size () const;


  virtual const char * getName (int i) const;


  virtual const char * getValue (int i) const;


  virtual void addAttribute (const char * name, const char * value);


  virtual void setName (int i, const char * name);


  virtual void setValue (int i, const char * value);


  virtual void setValue (const char * name, const char * value);

private:
  vector<string> _atts;
};


class XMLVisitor
{
public:
  virtual ~XMLVisitor () {}

  virtual void startXML () {}

  virtual void endXML () {}

  virtual void startElement (const char * name, const XMLAttributes &atts) {}

  virtual void endElement (const char * name) {}

  virtual void data (const char * s, int length) {}

  virtual void pi (const char * target, const char * data) {}

  virtual void warning (const char * message, int line, int column) {}
};


extern void readXML(istream &input, XMLVisitor &visitor,
                    const string &path="",
                    bool progress_callback(int) = NULL);
extern void readCompressedXML(gzFile fp, XMLVisitor &visitor,
                              const string& path="",
                              int iFileLength = -1,
                              bool progress_callback(int) = NULL);


extern void readXML (const string &path, XMLVisitor &visitor,
                     bool progress_callback(int) = NULL);


#endif // __EASYXML_HPP